(19)

(11)

EP 3 996 566 A1

(12)

(43) Date of publication: 18.05.2022 Bulletin 2022/20 (21) Application number: 20754362.0 (22) Date of filing: 10.07.2020

(51) International Patent Classification (IPC):  A47L 15/00(2006.01) A47L 15/42(2006.01) A47L 15/30(2006.01) (52) Cooperative Patent Classification (CPC): A47L 15/0089; A47L 15/30; A47L 15/4234 (86) International application number: PCT/IB2020/056503 (87) International publication number: WO 2021/009639 (21.01.2021 Gazette 2021/03)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 12.07.2019 IT 201900011658 (71) Applicant: Blasetti, Giambattista 65125 Pescara (PE) (IT)	(72) Inventor: Blasetti, Giambattista 65125 Pescara (PE) (IT) (74) Representative: Maiello, Helenio Francesco  Studio Ing. Ranieri Marino Strada del Pasubio, 146 36100 Vicenza 36100 Vicenza (IT)